Question 4
Number BasesIf 12e = X7, find X where e = 12
- A.20
- B.15
- C.14
- D.12
Show the answer and explanation
Answer: A (20)
Explanation
12 in base 12 is 1 × 12 + 2 = 14 in base 10. In base 7, 14 = 2 × 7 + 0, which is 207.
If 12e = X7, find X where e = 12
Answer: A (20)
12 in base 12 is 1 × 12 + 2 = 14 in base 10. In base 7, 14 = 2 × 7 + 0, which is 207.